5551225331 has 4 divisors (see below), whose sum is σ = 5551574952. Its totient is φ = 5550875712.

The previous prime is 5551225313. The next prime is 5551225333. The reversal of 5551225331 is 1335221555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1335221555 = 5 ⋅267044311.

It is a cyclic number.

It is not a de Polignac number, because 5551225331 - 2¹⁴ = 5551208947 is a prime.

It is a super-2 number, since 2×5551225331² = 61632205351072119122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551225333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149801 + ... + 183146.

It is an arithmetic number, because the mean of its divisors is an integer number (1387893738).

Almost surely, 2^5551225331 is an apocalyptic number.

5551225331 is a deficient number, since it is larger than the sum of its proper divisors (349621).

5551225331 is a wasteful number, since it uses less digits than its factorization.

5551225331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349620.

The product of its digits is 22500, while the sum is 32.

The square root of 5551225331 is about 74506.5455580917. The cubic root of 5551225331 is about 1770.6373406750.

Adding to 5551225331 its reverse (1335221555), we get a palindrome (6886446886).

The spelling of 5551225331 in words is "five billion, five hundred fifty-one million, two hundred twenty-five thousand, three hundred thirty-one".